8CrSi 7-7

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#8CrSi #7-7

Description

8CrSi 7-7 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 8CrSi 7-7

Category	Type	Steel Grade
Steel Grades	Stainless Steel	8CrSi 7-7
		1.4573
		1.4575
		1.4577
		1.4580
		1.4582
		1.4583
		1.4586
		1.4712
		1.4700
		X10CrSi6

Chemical composition(mass fraction)(wt.%) of the 8CrSi 7-7

C ≤	Si	Mn ≤	P ≤	S ≤	Cr	Ni	Other
0.10	1.50-1.80	1.00	0.045	0.030	1.50-2.00

Mechanical Properties of steel grade 8CrSi 7-7

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
751 (≥)	455 (≥)	32	22	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade 8CrSi 7-7

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
14	-	-			0.41	-
455	359	-	43.3	322		-
555	-	41	22.2			143	242

Heat Treatment of steel grade 8CrSi 7-7

Heat treated : 1878°C - 1116°C

Technological Curves of steel grade 8CrSi 7-7

No Curve

Cross Reference Table (Equivalent Grade) of 8CrSi 7-7

Grade	Standard	Country	Application
38CrSiV6	DIN	Germany	Cold working alloy tool steel
8CrSi7-7	DIN	Germany	Stainless steel
38CrSi		China	China structural steel and alloy steel
57NiCrMoV7-7	DIN	Germany	Hot working alloy tool steel
17-7PH	UNS	USA	precipitation hardening
17-7PH	UNS	USA	precipitation hardening
X7CrNiAI17-7	DIN	Germany	Stainless steel
X12CrMnNiN17-7-5	AFNOR	France	Austenite
X2CrNiN17-7-5	AFNOR	France	Austenite
ISO X5CrNi17-7			ISO standard thermal deformation of stainless steel
ISO X12CrMnNiN17-7-5			ISO standard thermal deformation of stainless steel
ISO X7CrNiAl17-7			ISO standard thermal deformation of stainless steel
ISO X7CrNiAl17-7 wire			ISO standard spring with stainless steel wire and steel strip
ISO X12CrNi17-7 strip			ISO standard spring with stainless steel wire and steel strip
ISO X6CrNiMo17-12-2 strip			ISO standard spring with stainless steel wire and steel strip
ISO X7CrNiAl17-7 strip			ISO standard spring with stainless steel wire and steel strip
EN X2CrMnNiNi 7-7-5	EN		Euronorm Tool steel
EN X2CrMnNiNi7-7-5	EN		Euronorm Stainless Steel
EN X7CrNiAl17-7	EN		Euronorm Stainless Steel

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